Even after health check-ups and health insurance are taken care of, there are still diseases and conditions that are not covered for foreign workers who are in the social security system and who have already taken out health insurance.
When a foreign worker is given a mandatory health check-up, there is a process for issuing a medical certificate. It must be a medical certificate in the prescribed form.
Foreigners who have entered Thailand but wish to change their visa to work in Thailand must submit an application to change their existing visa to a Non-Immigrant Visa “B,”